heat pump and aux heat run simultaneously. The heat pump blower fan can either be used in the AUTO or ON setting depending on your personal preference. What types of HVAC systems are ecobee thermostats compatible … If you have a heat pump system with auxiliary heating, you'll normally connect the AUX/AUX1 or W2 wire to the ecobee's W1 terminal. ecobee and other smart thermostats are compatible with many different devices. Select Auto Heat / Cool. Allow simultaneous operation of the heat pump and auxiliary heat. It sounds to me like a heat pump issue more so than a thermostat.You have thermostat wired correctly if wired according to the diagram you sent. Is there a way to stop the auxillary heat from coming on during the defrost cycle and I would rather have the heat pump run longer and not use the auxillary heat unless it is neccessary. Then go to Installation Settings. Will even call and run the aux heat when needed. Heat mode on indoor heat differential, etc. Heat pump with air handler in the attic operates the second floor. If you have a dual-fuel system, during thermostat setup it is very important that you select Disable on the Allow the Heat Pump and Aux Heat to run simultaneously screen to avoid damage to your heat pump. of your ecobee 3, we have the following suggestions for thermostat set-up specific to your home heating system. heat pump and aux heat run simultaneously - wpc.org.pk Furnace in the basement, operating the basement and first floor with A/C and gas heating. Step 14 Select Auto … November 12, 2021 by Hubert Miles. You need to set the heat pump "Min outdoor" temp as well as setting "Aux Heat Simultaneous Operation" to disabled. Select Heat Pump. The Differences between the Ecobee3 and Ecobee4 Amazon's Alexa is built into the Ecobee4, whereas Ecobee3 is … And choose Enable. Once enabled, you should be able to activate Auto either by taping on the system icon above the thermostat temperature reading on the main screen or by going to Main Menu > System > HVAC How it works